Longboat Key Sea Temperature

(Today) Jul 2017

31.1°C / 88°F

Current weather

(few clouds)
26°C / 79°F

Partly cloudy

5 mph



The measurements for the sea temperature in Longboat Key, Florida are provided by the daily satellite readings provided by the NOAA. The temperatures given are the surface temperature (SST) which is most relevant to recreational users.

7 day tide forecast for Longboat Key

  • High 02:48am
  • Low 07:06am
  • High 12:49pm
  • Low 09:06pm
  • High 03:19am
  • Low 08:01am
  • High 01:39pm
  • Low 09:44pm
  • High 03:49am
  • Low 08:58am
  • High 02:31pm
  • Low 10:20pm
  • High 04:17am
  • Low 09:57am
  • High 03:25pm
  • Low 10:54pm
  • High 04:47am
  • Low 11:00am
  • High 04:23pm
  • Low 11:28pm
  • High 05:19am
  • Low 12:11pm
  • High 05:28pm
  • Low 12:03am
  • High 05:55am
  • Low 01:28pm
  • High 06:49pm

*These tide times are estimates based on the nearest port (Cortez, Sarasota Bay) and may differ by up to half and hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.

Average July sea temperatures

  • Max: 30.8°C / 87.5°F
  • Avg: 29.6°C / 85.2°F
  • Min: 28.2°C / 82.7°F
Longboat Key average sea temperature chart

These average ocean temperatures for Longboat Key are calculated from several years of archived data.

Map showing location of Longboat Key (27.412540, -82.658990)

Locations nearby


Whilst sea temperatures for Longboat Key are as accurate as current data allows there may be slight local and regional variations depending on conditions. Time of day and wind direction may have a temporary local effect as can water flows from neraby rivers.

Alternate names for Longboat Key